Sizes: 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24mm. Safe operator use for live voltages up to 1000V AC / 1500V DC. VDE certified. IEC60900:2018 approved for 1000V safe working. Manufactured from chrome vanadium. Supplied in a robust blow mould carry case with an EVA foam tray for safe storage.